Home / 20,904.73-28,848.53-11,952.41

Finding the Fourth Proportional to 20,904.73, 28,848.53 and 11,952.41

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Solution

The fourth proportional to 20,904.73, 28,848.53 and 11,952.41 is: 16,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,904.73 : 28,848.53 = 11,952.41 : x
  2. Step 2: Convert to fraction form
    20,904.73/28,848.53 = 11,952.41/x
  3. Step 3: Cross multiply
    20,904.73x = 28,848.53 × 11,952.41
  4. Step 4: Simplify right side
    20,904.73x = 344,809,314.21
  5. Step 5: Solve for x
    x = 344,809,314.21/20,904.73
  6. Step 6: Final answer
    x = 16,494.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.